<template>
    <div class="mui-numbox" data-numbox-min='1' style="height:25px;">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" :value="initcount"
        @change="countChanged" ref="numbox" readonly/>
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
    <!-- 分析： 子组件什么时候把 数据传递给父组件 -->
  <!--  -->
</template>

<script>
import mui from '../../lib/mui/js/mui.min.js';

export default {
    mounted() {
        // 初始化数字选择框组件
        // .nui-numbox  是上面div中的类名
        mui('.mui-numbox').numbox();

    },
    methods: {
        countChanged() {
        // 数量改变了
        this.$store.commit('updateGoodsInfo', 
        { id: this.goodsid, count: this.$refs.numbox.value });
        }
    },
     props: ["initcount", "goodsid"],
};
</script>

<style lang="scss" scoped>

</style>




